/**
 * Created by PanJiaChen on 16/11/18.
 */

/**
 * Parse the time to string
 * @param {(Object|string|number)} time
 * @param {string} cFormat
 * @returns {string}
 */
export function parseTime(time, cFormat) {
  if (arguments.length === 0) {
    return null
  }
  const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
  let date
  if (typeof time === 'object') {
    date = time
  } else {
    if ((typeof time === 'string') && (/^[0-9]+$/.test(time))) {
      time = parseInt(time)
    }
    if ((typeof time === 'number') && (time.toString().length === 10)) {
      time = time * 1000
    }
    date = new Date(time)
  }
  const formatObj = {
    y: date.getFullYear(),
    m: date.getMonth() + 1,
    d: date.getDate(),
    h: date.getHours(),
    i: date.getMinutes(),
    s: date.getSeconds(),
    a: date.getDay()
  }
  const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
    let value = formatObj[key]
    // Note: getDay() returns 0 on Sunday
    if (key === 'a') { return ['日', '一', '二', '三', '四', '五', '六'][value] }
    if (result.length > 0 && value < 10) {
      value = '0' + value
    }
    return value || 0
  })
  return time_str
}

/**
 * @param {number} time
 * @param {string} option
 * @returns {string}
 */
export function formatTime(time, option) {
  if (('' + time).length === 10) {
    time = parseInt(time) * 1000
  } else {
    time = +time
  }
  const d = new Date(time)
  const now = Date.now()

  const diff = (now - d) / 1000

  if (diff < 30) {
    return '刚刚'
  } else if (diff < 3600) {
    // less 1 hour
    return Math.ceil(diff / 60) + '分钟前'
  } else if (diff < 3600 * 24) {
    return Math.ceil(diff / 3600) + '小时前'
  } else if (diff < 3600 * 24 * 2) {
    return '1天前'
  }
  if (option) {
    return parseTime(time, option)
  } else {
    return (
      d.getMonth() +
      1 +
      '月' +
      d.getDate() +
      '日' +
      d.getHours() +
      '时' +
      d.getMinutes() +
      '分'
    )
  }
}

/**
 * @param {string} url
 * @returns {Object}
 */
export function param2Obj(url) {
  const search = url.split('?')[1]
  if (!search) {
    return {}
  }
  return JSON.parse(
    '{"' +
      decodeURIComponent(search)
        .replace(/"/g, '\\"')
        .replace(/&/g, '","')
        .replace(/=/g, '":"')
        .replace(/\+/g, ' ') +
      '"}'
  )
}
Date.prototype.format = function (format) {
  let year = this.getFullYear();
  let month = this.getMonth() + 1;
  let day = this.getDate();
  let hours = this.getHours();
  let minutes = this.getMinutes();
  let seconds = this.getSeconds();

  format = format.replace('yyyy', year);

  if ( format.indexOf('MM') !== -1 ) {
    format = format.replace('MM', month < 10 && '0' + month || month);
  } else {
    format = format.replace('M', month);
  }
  if ( format.indexOf('dd') !== -1 ) {
    format = format.replace('dd', day < 10 && '0' + day || day);
  } else {
    format = format.replace('d', day);
  }
  if ( format.indexOf('HH') !== -1 ) {
    format = format.replace('HH', hours < 10 && '0' + hours || hours);
  } else {
    format = format.replace('H', hours);
  }
  if ( format.indexOf('mm') !== -1 ) {
    format = format.replace('mm', minutes < 10 && '0' + minutes || minutes);
  } else {
    format = format.replace('m', minutes);
  }
  if ( format.indexOf('ss') !== -1 ) {
    format = format.replace('ss', seconds < 10 && '0' + seconds || seconds);
  } else {
    format = format.replace('s', seconds);
  }

  return format;
}
Date.prototype.inCreaseMonth = function (num) {
  this.setMonth(this.getMonth() + num);
  return this
}
export function inCreaseMonth(month,start) {
  return new Date((start||new Date().format('yyyy-M-d')).replace(/-/g,'/')).inCreaseMonth(+month).format('yyyy-M-d');
}

export function checkSystem() {
  let u = navigator.userAgent;
  let isAndroid = u.indexOf('Android') > -1 || u.indexOf('Linux') > -1;
  let isIOS = !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/);
  if (isAndroid) {
    return 'Android';
  }
  if (isIOS) {
    return 'iOS';
  }
  return 'Wap'
}
export function urlSearch(key) {
  let href = location.href
  let query = href.split('?')[1]
  let urlSearch = new URLSearchParams(query)
  return urlSearch.get(key)
}
export const pkgCycleMap = new Map([
  [1,'月'],[2,'季'],[3,'年']
])

// 获取当月最后一天
export function getCurrentMonthLast(){
  let date=new Date();
  let currentMonth=date.getMonth();
  let nextMonth=++currentMonth;
  let nextMonthFirstDay=new Date(date.getFullYear(),nextMonth,1);
  let oneDay=1000*60*60*24;
  let lastTime = new Date(nextMonthFirstDay-oneDay);
  let month = parseInt(lastTime.getMonth()+1);
  let day = lastTime.getDate();
  if (month < 10) {
    month = '0' + month
  }
  if (day < 10) {
    day = '0' + day
  }
  return date.getFullYear() + '-' + month + '-' + day;
}
